What powers usul.or.kr?
Last seen Sep 2026 · 20 technologies across 11 categories
Ecommerce
Cart Functionality
since Jan 2021
Editors
DreamWeaver
since Jan 2021
Font scripts
Google Font API
since Mar 2021
JavaScript graphics
JavaScript libraries
Miscellaneous
Operating systems
Windows Server
since Jan 2021
Programming languages
UI frameworks
Web server extensions
Web servers
Apache HTTP Server
since Jan 2021
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.43 / 10 · ranked #7,165,106 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Korean
- Weight: 14.5 MB · 113 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Subdomains
| Host | Techs |
|---|---|
| www.usul.or.kr | 13 |
| m.usul.or.kr | 8 |
| search.usul.or.kr | 4 |